Investigaciones: Envíos recientes
Mostrando ítems 861-880 de 1465
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Prediction of particle level behavior in atmospheric air based on laws of physics of motion and geographic interpolation
(Cartagena de Indias, 2020)Given the global problem of high levels of pollutants in the atmosphere, it is essential to use tools to measure and determine these levels. Unfortunately, it is impossible to have devices that allow direct pollutants' ... -
Evaluación del desempeño y análisis de eficiencia del nivel sigma en la evaluación de la calidad del servicio en una institución de educación superior
(Cartagena de Indias, 2020-12)Esta investigación presenta un método para evaluar el desempeño y analizar la eficiencia del nivel sigma de las dimensiones de calidad del servicio en una institución de educación superior. Como concepción teórica ... -
Modeling of Asphalt Pavement Considering the Application of Empirical and Mechanistic Design Methodologies
(Cartagena de Indias, 2020)Road infrastructure projects are essential for the economic growth and development of a country, because they provide great advantages in the mobility of people, as well as goods or consumer products, thus making it possible ... -
Las cooperativas rurales una oportunidad para repensar el rol del Estado frente a los impactos de la regulación de semillas en Colombia
(Cartagena de Indias, 2020-11-11)El presente artículo analiza los diversos factores que inciden en la situación de vulnerabilidad en el que se encuentra el sector rural en Colombia, la cual se ha visto reforzada por el régimen de certificación de semillas ... -
PI-PBC Approach for Voltage Regulation in Cuk Converters with Adaptive Load Estimation
(Cartagena de Indias, 2020-11-25)This paper proposes a proportional-integral passivity-based controller (PI-PBC) for supporting voltage in linear loads integrated with Ćuk converters. An adaptive load estimator is also employed to avoid current measurements ... -
Performance Benchmarking of Stochastic and Deterministic Representation Bases with Compressive Sensing in Computerized Tomography Images
(Cartagena de Indias, 2020-12-24)Computerized tomography is a procedure that emits X-rays rotating around the body, projecting signals to be processed and converted to images. X-rays radiation in people may cause cardiovascular diseases, malformations in ... -
Path Planning for Non-Playable Characters in Arcade Video Games using the Wavefront Algorithm
(Cartagena de Indias, 2020-11-18)Search and planning is a common Artificial Intelligence task on videogames development. This exercise covers the design of Non-player character (NPC) behavior, content generation, and narrative's construction. This work ... -
Participation of women in STEM higher education programs in Latin america: The issue of inequality
(Cartagena de Indias, 2020-07-27)The low participation of women in STEM fields has been considered a critical issue in our society. It affects the rights of women to receive high quality education, to develop their skills and to improve their career ... -
Overall heat transfer coefficient optimization in a spiral-plate heat exchanger
(Cartagena de Indias, 2020)Heat exchangers are widely used in the industry to allow the heat transfer between two fluids. For that reason, correctly sizing said devices poses a design problem in order to guarantee the efficiency and appropriate ... -
Organizational happiness dimensions as a contribution to sustainable development goals: A prospective study in higher education institutions in Chile, Colombia and Spain
(Cartagena de Indias, 2020-12-15)The aim of this study is to reveal the perception of current and future organizational happiness in the context of higher education institutions (HEIs) in a cross-national study, to reveal exploratory scenarios supporting ... -
Optimal selection and location of bess systems in medium-voltage rural distribution networks for minimizing greenhouse gas emissions
(Cartagena de Indias, 2020-12-09)This paper explores a methodology to locate battery energy storage systems (BESS) in rural alternating current (AC) distribution networks fed by diesel generators to minimize total greenhouse gas emissions. A mixed-integer ... -
Optimal Power Flow in Direct Current Networks Using the Antlion Optimizer
(Cartagena de Indias, 2020-10-06)This document presents a solution method for optimal power flow (OPF) problem in direct current (DC) networks by implementing a master-slave optimization methodology that combines an antlion optimizer (ALO) and a power ... -
Optimal minimum time control for a direct current motor using bang-bang control
(Cartagena de Indias, 2020)The calculation of variations initially it was a technique that was born in the field of physics and its great contributions have been taken advantage of by the engineering sciences in problems that involve finding a minimum ... -
Optimal location and sizing of distributed generators in dc networks using a hybrid method based on parallel pbil and pso
(Cartagena de Indias, 2020-11-01)This paper addresses the problem of the locating and sizing of distributed generators (DGs) in direct current (DC) grids and proposes a hybrid methodology based on a parallel version of the Population-Based Incremental ... -
Método de control estadístico multivariante para valorar las dimensiones de calidad en una empresa de lavado de tanques industriales
(Cartagena de Indias, 2020)Esta investigación propone un método para valorar las dimensiones de calidad del servicio en una empresa de lavado de tanques industriales, articulando una carta de control y un nuevo indicador de calidad multivariante. ... -
Method for estimating solar energy potential based on photogrammetry from unmanned aerial vehicles
(Cartagena de Indias, 2020-12-14)This study presents a method to estimate the solar energy potential based on 3D data taken from unmanned aerial devices. The solar energy potential on the roof of a building was estimated before the placement of solar ... -
LoRAWAN network coverage testing design using open-source low-cost hardware
(Cartagena de Indias, 2020-12-01)The Internet of Things (IoT) is considered to be one of the most radical technological advances of the century. The increasing amount of applications and devices, requires the deployment of a large network infrastructure ... -
Leveraging Emergency Response System Using the Internet of Things. A Preliminary Approach
(Cartagena de Indias, 2020-12-25)The Internet of Things (IoT) is a new paradigm that is arising in all areas of technology, finding novel applications every day that can improve many aspects of people’s lives. Several applications using IoT have been ... -
Kinematic and Workspace Analysis of Spherical 3RRR Coaxial Parallel Robot Based on Screw Theory
(Cartagena de Indias, 2020-12-24)A kinematic and workspace analysis of Spherical 3-RRR Coaxial Parallel Robot are developed in this paper. Position and orientation was determined through the inverse and forward kinematics using geometric and numerical ... -
Manifestaciones clínicas de la Insensibilidad congénita al dolor con anhidrosis
(Cartagena de Indias, 2019-02-03)La insensibilidad congénita al dolor con anhidrosis (HSAN-IV o CIPA) es una enfermedad rara con sintomatología multisistémica, que impacta el funcionamiento cognitivo, afectando negativamente la calidad de vida los pacientes ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.
